Bug 2563900 (CVE-2026-119528)

Summary: CVE-2026-119528 gimp: gimp: stack buffer overflow in PSD image resource header loader
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in GIMP. The PSD plug-in’s image resource header loader uses an incorrect destination size when copying a converted resource name into a fixed stack buffer. Opening a crafted PSD file can cause a stack-based buffer overflow, leading to a crash and potentially arbitrary code execution.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2563921    
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Description OSIDB Bzimport 2026-10-30 10:13:06 UTC 
A flaw was found in GIMP. The PSD image resource header loader in get_image_resource_header() incorrectly passes the length of a converted resource name string as the destination size argument to g_strlcpy() when copying into a fixed 256-byte stack buffer. Because gimp_any_to_utf8() can expand the Pascal-string payload (for example under a single-byte locale), the copy can write past the end of the stack buffer. Opening a crafted PSD file can cause a stack-based buffer overflow in the file-psd plug-in, leading to a crash and potentially arbitrary code execution.